LM4890M/NOPB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Audio amplifiers are commonly used to increase the volume, clarity and overall sound quality of audio signals. The LM4890M/NOPB is one type of audio amps that is designed for headphones and amplifiers for portable audio applications. It consists of two separate amplifying channels, one for the stereo signal and the other for the bass channel.

The LM4890M/NOPB is designed to provide low-noise performance, low quiescent current (Iq) and low total harmonic distortion (THD) in a very small form factor while providing outputs with the capability to drive headphones and other speakers. It also has a wide supply voltage range of 2.5V to 6V.

The main application fields of the LM4890M/NOPB includes portable audio devices such as laptop and tablet speaker modules, digital audio players, smart phones, MP3 players, gaming devices and portable multimedia players. The components are ideal for providing high fidelity audio and a pleasing sound while being highly efficient.

The LM4890M/NOPB works by combining differential input and single-ended output stages. The differential input stage helps to provide superior noise immunity and common-mode rejection ratio compared to single-stage amplifiers. Single-ended outputs help provide a low output impedance and wide bandwidth. The LM4890M/NOPB also features low-noise voltage regulation circuitry.

The output of the amplifier is controlled by an external gain control pin that is used to adjust the overall output level. The LM4890M/NOPB also has a bass boost function that is triggered by a low frequency signal. This helps to provide more low-frequency detail and impact with headphones and other speakers.

The LM4890M/NOPB is a highly efficient and reliable audio amplifier that is suitable for many portable audio applications. It features a wide supply voltage range, low THD and a high-performance differential input stage that helps to improve the sound quality while preserving low power consumption. This makes it an ideal choice for audio devices of all shapes and sizes.

The specific data is subject to PDF, and the above content is for reference